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Simplifying 3n + 3 + 4n = 30 Reorder the terms: 3 + 3n + 4n = 30 Combine like terms: 3n + 4n = 7n 3 + 7n = 30 Solving 3 + 7n = 30 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7n = 30 + -3 Combine like terms: 3 + -3 = 0 0 + 7n = 30 + -3 7n = 30 + -3 Combine like terms: 30 + -3 = 27 7n = 27 Divide each side by '7'. n = 3.857142857 Simplifying n = 3.857142857
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